SQL Server DTS Connection2对象具有未记录的属性UseDSL。它有什么作用？

I'm building a wrapper for DTS around the Microsoft.SqlServer.DTSPkg80 (the RCW generated from DTSPKG80.DLL). Inside the RCW, on the Connection2 interface, the property "UseDSL" is defined. This property is not in the SQL Server Books Online documentation, and googling it just found a bunch of "fix my code" listings where people have set it to false.I'm building a wrapper for DTS around the Micro